CN209434416U - A kind of self-sealing harness - Google Patents
A kind of self-sealing harness Download PDFInfo
- Publication number
- CN209434416U CN209434416U CN201821464571.0U CN201821464571U CN209434416U CN 209434416 U CN209434416 U CN 209434416U CN 201821464571 U CN201821464571 U CN 201821464571U CN 209434416 U CN209434416 U CN 209434416U
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- conducting wire
- lead body
- sealing
- self
- section
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Abstract
The utility model relates to a kind of self-sealing harness, including, terminal head and lead body, wherein, the lead body includes lead conductor section and conducting wire seal section, and the terminal head includes equipment connection ring and conducting wire socket section, and the conducting wire socket section is fixedly connected with the lead body, the lead body crimps sealed connection by the completion of electromagnetic pulse forming technique with the terminal head, and conducting wire seal section is equipped with the elastomeric sleeve for cooperating the conducting wire socket section to complete crimping sealing.Compared with prior art, the advantages that the utility model has simple process, and sealing effect is good, low in cost.
Description
Technical field
The utility model relates to a kind of harness, more particularly, to a kind of self-sealing harness.
Background technique
Automotive interior is frequently known as wet area by the region influenced to rainwater, moisture or other liquid.Wet area must carry out
The protected workings such as high temperature resistant, corrosion-resistant, waterproof.Electrical part and harness in wet area must carry out good sealing protection work
Make, the failures such as short circuit, rust corrosion, impedance increase, poor contact otherwise can occur.Therefore in wet area, terminal and conductor compression jointing
Region needs to seal, and prevents moisture, liquid medium from entering.
In addition, the connection to dissimilar metal, in order to prevent electrochemical corrosion need to seal.Liquid can be prevented to be situated between in this way
Matter enters join domain, forms electrochemical reaction, causes to fail.The typical example of dissimilar metal connection is aluminum conductor and copper end
The connection of son.
Common sealing means are: after conducting wire and terminal compression joint, being sealed entire crimp region pyrocondensation with heat-shrink tube.Heat
Draw sealing needs heat shrinkable pipe material and pyrocondensation equipment.
Therefore, a simple process, leakproofness is strong, and the harness of moderate cost is urgently developed.
Utility model content
The purpose of this utility model is exactly to provide a kind of self-sealing vapour to overcome the problems of the above-mentioned prior art
Vehicle wire harness.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of self-sealing harness, including, terminal head and lead body, wherein the lead body includes lead conductor
Section and conducting wire seal section, the terminal head include equipment connection ring and conducting wire socket section, and the conducting wire socket section is led with described
Line ontology is fixedly connected, and the lead body crimps sealing by the completion of electromagnetic pulse forming technique with the terminal head.
Preferably, the conducting wire seal section is equipped with the elasticity for cooperating the conducting wire socket section to complete crimping sealing
Body casing.
Preferably, the elastomeric sleeve is thermoplastic polyurethane rubber, and ethylene propylene diene rubber and silicon rubber are wherein appointed
A kind of elastomeric sleeve for material of anticipating.
Preferably, the length range of the elastomeric sleeve is 2mm~20mm.
Preferably, the conducting wire socket section is cylindrical shape and inside is equipped with and the matched circle of lead body size
Circumferential rebate.
Preferably, the type of the lead body is aluminium electric wire, and aluminum alloy wire, copper electric wire and copper alloy electric wire are wherein
Any one.
Preferably, the sectional area range of the lead body is 0.35mm2~160mm2。
Preferably, the core wire type of the lead body be stranded core or solid core wire, the lead body
Cross sectional shape is round or rectangular.
Preferably, conducting wire socket section is fine copper, fine aluminium, copper alloy, and aluminium alloy and Copper-Aluminum compound alloy are wherein appointed
A kind of conducting wire socket section for material of anticipating.
Above-mentioned self-sealing harness is self-sealing automotive wire bundle, it is also possible to make the harness in other application scenarios.
Compared with prior art, the utility model has the advantage that
(1) magnetic field pulse plastic packaging terminal and conducting wire Quick-forming, simple and reliable process are utilized.
(2) gap between conductor and metal tube can be prevented completely using magnetic field pulse, leakproofness further strengthens.
(3) section is socketed using the elastomeric sleeve of various material, lead body and conducting wire, so that the expansion of entire harness
Further enhanced with adaptability.
Detailed description of the invention
In order to further elucidate the utility model each embodiment the above and other advantages and features, will with reference to attached drawing come
The more specific description of each embodiment of the utility model is presented.It is appreciated that these attached drawings only describe the allusion quotation of the utility model
Type embodiment, therefore be not to be regarded as being restriction on its scope.Also, the relative position of various pieces shown in the accompanying drawings and
Size is exemplary, and is not to be construed as the position uniquely determined between various pieces or size relationship.
Fig. 1 is that the utility model carries out the overall structure diagram before electromagnetic pulse compression joint technique；
Fig. 2 is that the utility model carries out the overall structure diagram after electromagnetic pulse compression joint technique；
Drawing reference numeral explanation:
1 is terminal head；11 be equipment connection ring；12 are socketed section for conducting wire；2 be lead body；21 be lead conductor section；22
For conducting wire seal section；3 be elastomeric sleeve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is a part of the embodiment of the utility model, rather than is all implemented
Example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained all should belong to the range of the utility model protection.
It is as depicted in figs. 1 and 2 a kind of self-sealing harness of the utility model by whole before and after electromagnetic pulse forming technique
Body structural schematic diagram, including, terminal head 1, lead body 2, wherein lead body 2 includes that lead conductor section 21 and conducting wire seal
Section 22, terminal head 1 are socketed section 12 including equipment connection ring 11 and conducting wire, and conducting wire is socketed section 12 and the fixed company of the lead body 2
It connects, lead body 2 crimps sealed connection by the completion of electromagnetic pulse forming technique with terminal head 1, and conducting wire seal section 22 is equipped with
For cooperating the conducting wire socket section 12 to complete the elastomeric sleeve 3 of crimping sealing, the length range of elastomeric sleeve 3 is 2mm
~20mm, material can be thermoplastic polyurethane rubber, ethylene propylene diene rubber and silicon rubber any of them, be also possible to it
The type of its types of elastomeric material, lead body 2 is aluminium electric wire, and aluminum alloy wire, copper electric wire and copper alloy electric wire are wherein appointed
It anticipates one kind, core wire type can be stranded core or solid core wire, and sectional area range is 0.35mm2~160mm2, cross sectional shape
It is round or rectangular.
Described electromagnetic pulse forming technique is a kind of emerging high energy rate forming technology above, is the high pressure using moment
Pulsed magnetic field forces blank in the case where impacting electromagnetic force, a kind of manufacturing process of high-rate forming, detailed process are as follows: by metal tube
It is inserted into an electromagnetic coil with wire conductor, metal tube and wire conductor and electromagnetic coil can be regarded as conductor, when giving
When electromagnetic coil leads to upper alternating current, metal tube surface can generate eddy current, and be moved according to Lenz's law towards electromagnetic coil direction
Dynamic, therefore, tubing is acted on by an inward radial force, of short duration and strong using producing in electromagnetic pulse generator in this way
Big electric current makes electromagnetic induction coil produce powerful electromagnetic field, and metal tube is made to generate moment compression and change the straight of metal tube
Diameter compresses conductor inside electric wire simultaneously, thus realize that metal tube welds together completely with wire conductor, it is closed after welding
The wire conductor in region absolutely not gap, it is also completely seamless between wire conductor and metal tube, in this way, having blocked rainbow completely
The possibility of suction.
Conducting wire socket section 12 can use any type and material (such as fine copper, fine aluminium, copper alloy, aluminium alloy or copper aluminium
Composite terminal), but actual application environment need to be met, shape is cylindrical shape and inside is equipped with and lead body 2
The matched circular ring shape jack of size, the self-sealing harness of the utility model are self-sealing automotive wire bundle, it is also possible to make other application
Harness in scene.
The process of the utility model is specific as follows:
1. peeling the region that lead body 2 need to crimp off insulated hull first；
2. elastomeric sleeve 3 to be inserted on conducting wire seal section 22 and (not peel insulated hull end off)；Then by lead conductor section 21
And the conducting wire seal section 22 of elastomeric sleeve 3 is put on, the conducting wire of insertion terminal head 1 is socketed 12 part of section；
3. pulse electromagnetic forming technique is utilized, conducting wire socket 12 part of section of terminal head 1 and lead conductor section 21 is complete
Weld together, form closed area, utilize pulse electromagnetic forming technique again, the conducting wire of terminal head 1 is socketed 12 part of section
Formation (processing) with 22 portion compresses of conducting wire seal section for putting on elastomeric sleeve 3, conductor compression jointing sealing area is to pass through arteries and veins
Electromagnetic forming technique (pulse magnetic forming, PMF) is rushed to weld the tubular portion of the conductor of conducting wire and ring terminal
It is connected into an entirety, absolutely not gap in inner section can be permeated without any liquid, steam etc. from the region.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical
Novel protection scope should be subject to the protection scope in claims.
Claims (7)
1. a kind of self-sealing harness, including, terminal head (1) and lead body (2), the lead body (2) includes that conducting wire is led
Body section (21) and conducting wire seal section (22), the terminal head (1) include equipment connection ring (11) and conducting wire socket section (12), institute
It states conducting wire socket section (12) to be fixedly connected with the lead body (2), which is characterized in that the lead body (2) and the end
Subheader (1) completes crimping sealing by electromagnetic pulse forming technique, and the conducting wire seal section (22) is equipped with for cooperating
The elastomeric sleeve (3) that crimping sealing is completed in conducting wire socket section (12) is stated, the elastomeric sleeve (3) is thermoplastic polyurethane
The elastomeric sleeve of rubber, ethylene propylene diene rubber and silicon rubber any of them material, the length of the elastomeric sleeve (3)
Degree range is 2mm~20mm.
2. a kind of self-sealing harness according to claim 1, which is characterized in that conducting wire socket section (12) is cylindrical body
It shape and internal is equipped with and the matched circular ring shape jack of the lead body (2) size.
3. a kind of self-sealing harness according to claim 1, which is characterized in that the type of the lead body (2) is
Aluminium electric wire, aluminum alloy wire, copper electric wire and copper alloy electric wire any of them.
4. a kind of self-sealing harness according to claim 1, which is characterized in that the sectional area of the lead body (2)
Range is 0.35mm2~160mm2。
5. according to claim 1,2,3 and 4 its any one of described in a kind of self-sealing harness, which is characterized in that it is described
The core wire type of lead body (2) is stranded core or solid core wire, the cross sectional shape of the lead body (2) be it is round or
It is rectangular.
6. according to claim 1 with 2 its any one of described in a kind of self-sealing harness, which is characterized in that the conducting wire
Being socketed section (12) is fine copper, fine aluminium, copper alloy, the conducting wire socket of aluminium alloy and Copper-Aluminum compound alloy any of them material
Section.
7. a kind of self-sealing harness described according to claim 1~any one of 4, which is characterized in that the self-sealing
Harness is self-sealing automotive wire bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821464571.0U CN209434416U (en) | 2018-09-07 | 2018-09-07 | A kind of self-sealing harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821464571.0U CN209434416U (en) | 2018-09-07 | 2018-09-07 | A kind of self-sealing harness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209434416U true CN209434416U (en) | 2019-09-24 |
Family
ID=68006729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821464571.0U Active CN209434416U (en) | 2018-09-07 | 2018-09-07 | A kind of self-sealing harness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209434416U (en) |
-
2018
- 2018-09-07 CN CN201821464571.0U patent/CN209434416U/en active Active
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